6.0L Power Stroke Engine and DrivetrainDiscussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

So I have started to use Opti-Lubes XPD in my 2004 6.0 F250.
I have used it in the last 3 fill ups and here are my observations;
I ordered it from Opti-Lube and they ship FAST! I started with an initial shipment of 2 qts and then got the 1 gallon kit which comes with an 8 oz bottle and a hand pump for the gallon contanier. Both shipments survived my UPS drivers quaterback toss over my front gate and fence.
I am using about 1 oz of XPD per gallon of diesel.
I notice my avaerage milage is now around 17 MPG and that is a mix of stop and go as well as a 30 mile commute to work on a highway each day.
Before XPD I averaged about 15 MPG.
The 6.0 seems to be a lot quieter than before. It definetly starts easier in the mornings. I go to work about 5 AM and the temp in the garage is about 40 with an out side temp around 15 degrees.
Pick up and acceleration seem the same to me.
I will be changing out my fuel filters in the next couple of weeks so I am anxious to see what they look like since using the XPD.
All in all I am very happy with this fuel additive.

I've used the Opti-lube additive for over 4 years as preventative for fuel injector lubrication issues. No injector problems to date. I usually use my truck to pull my 5er and don't need an injector problem on the road. My mix ratio is 1 oz to 4 gallons.

2006 F350 SRW King Ranch, Stock, Edge Insight, Coolant filter, Tow Veh for 5er "Jayco Designer". Pulls like there is no tomorrow.To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

We better get something to help mpg's! drove through Weimer, Tx Monday and almost fell out of the truck! $4.799/gal @ Chevron! Thought it might be typo on sign, but went on line and checked, sure enough it was the same as posted on the sign!

We better get something to help mpg's! drove through Weimer, Tx Monday and almost fell out of the truck! $4.799/gal @ Chevron! Thought it might be typo on sign, but went on line and checked, sure enough it was the same as posted on the sign!

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